CN204687951U - A kind of braking automobile lamp control circuit - Google Patents
A kind of braking automobile lamp control circuit Download PDFInfo
- Publication number
- CN204687951U CN204687951U CN201520345963.5U CN201520345963U CN204687951U CN 204687951 U CN204687951 U CN 204687951U CN 201520345963 U CN201520345963 U CN 201520345963U CN 204687951 U CN204687951 U CN 204687951U
- Authority
- CN
- China
- Prior art keywords
- stop lamp
- stoplight stop
- brake pedal
- pedal switch
- way
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a kind of braking automobile lamp control circuit, comprises wire fuse, brake pedal switch, left stoplight stop lamp, right stoplight stop lamp and high-mount stop lamp; Also comprise a BCM Body control module, described Vehicle Power is connected with brake pedal switch through wire fuse, and described high-mount stop lamp is connected with described brake pedal switch, and described BCM Body control module comprises the high side drivers IC of a MCU and a stoplight stop lamp two-way; Described MCU is all connected with described brake pedal switch with the high side drivers IC of stoplight stop lamp two-way, and described MCU is connected with the high side drivers IC of stoplight stop lamp two-way; The high side drivers IC of described stoplight stop lamp two-way connects left stoplight stop lamp, right stoplight stop lamp respectively.The utility model structure is simple, not only can reduce the specification requirement of brake pedal switch High Performance, also improve the safe class of stoplight stop lamp function simultaneously.
Description
Technical field
The utility model relates to vehicle production technical field, particularly a kind of braking automobile lamp control circuit.
Background technology
It is automobile driver in the very high function of daily driving vehicle frequency of utilization that stoplight stop lamp signal designation exports, and stoplight stop lamp signal designation is mainly used to the vehicles or pedestrians reminded below, and this car will slow down or stop, and plays the object preventing rear-end collision from occurring.
As shown in Figure 1, simple car model stoplight stop lamp export technique is exactly that power supply directly arrives brake pedal switch 2 ' by wire fuse 1 ' at present, when people carries out brake for stepping on brake pedal, switch connection, two stoplight stop lamps, 3 ', 4 ' and high-mount stop lamp 5 ' about power supply directly outputs to, connects and composes loop by negative line and car body and then brake lamp system is lighted in driving.Because simple car model stoplight stop lamp export technique is only controlled by brake pedal switch, three Parallel opertation are controlled by single channel, this technology to the driving load-carrying capacity of brake pedal switch and use durable require high, there is not considering of safety performance simultaneously, once brake pedal switch or wire harness break down, whole stoplight stop lamp output function all lost efficacy, and easily caused the car accident that knocks into the back.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of braking automobile lamp control circuit; Not only can reduce the specification requirement of brake pedal switch High Performance, also improve the safe class of stoplight stop lamp function simultaneously.
The utility model is achieved in that a kind of braking automobile lamp control circuit, comprises wire fuse, brake pedal switch, left stoplight stop lamp, right stoplight stop lamp and high-mount stop lamp; Also comprise a BCM Body control module, described Vehicle Power is connected with brake pedal switch through wire fuse, and described high-mount stop lamp is connected with described brake pedal switch, and described BCM Body control module comprises the high side drivers IC of a MCU and a stoplight stop lamp two-way; Described MCU is all connected with described brake pedal switch with the high side drivers IC of stoplight stop lamp two-way, and described MCU is connected with the high side drivers IC of stoplight stop lamp two-way; The high side drivers IC of described stoplight stop lamp two-way connects left stoplight stop lamp, right stoplight stop lamp respectively.
Further, the high side drivers IC of described stoplight stop lamp two-way adopts FAN7382 chip or FAN7380 chip.
The utility model has the advantage of: the utility model directly exports driving high-mount stop lamp by brake pedal switch, left and right stoplight stop lamp is then driven by BCM (Body control module), and BCM inside exports and two parts then can be divided into again to control: switch is directly by high side drivers IC driving and MCU and high side drivers IC parallel drive.Like this when wherein a road drives et out of order, BCM can be transformed to immediately by another road driver output.Thus reduce the specification requirement of brake pedal switch High Performance, also improve the safe class of stoplight stop lamp function simultaneously.
Accompanying drawing explanation
Fig. 1 is the stoplight stop lamp control circuit structural representation of prior art.
Fig. 2 is stoplight stop lamp control circuit structural representation of the present utility model.
Detailed description of the invention
Refer to shown in Fig. 2, a kind of braking automobile lamp control circuit of the present utility model, comprises wire fuse 1, brake pedal switch 2, left stoplight stop lamp 3, right stoplight stop lamp 4 and high-mount stop lamp 5; Also comprise a BCM Body control module, described Vehicle Power is connected with brake pedal switch 2 through wire fuse 1, described high-mount stop lamp 5 is connected with described brake pedal switch 2, and described BCM Body control module comprises the high side drivers IC7 of a MCU6 and a stoplight stop lamp two-way; Described MCU6 is all connected with described brake pedal switch 2 with the high side drivers IC7 of stoplight stop lamp two-way, and described MCU6 is connected with the high side drivers IC7 of stoplight stop lamp two-way; The high side drivers IC7 of described stoplight stop lamp two-way connects left stoplight stop lamp 4, right stoplight stop lamp 5 respectively.
Such high-mount stop lamp 5 is directly controlled by brake pedal switch 2, left and right stoplight stop lamp is then driven by BCM Body control module, the high side drivers IC7 of stoplight stop lamp two-way has two-way flash and exports, carry overcurrent protection, when load short circuits, high side drivers IC7 and the MCU6 of stoplight stop lamp two-way can not be damaged, this separation type scheme is being guaranteed under the prerequisite that high-mount stop lamp and left and right stoplight stop lamp are lighted simultaneously, improve the functional safety grade that stoplight stop lamp controls, namely stoplight stop lamp is exported and control to be exported by original single channel to change two-way output into, when can guarantee to break down regardless of a certain road mouth, another road can normally export.
Inner at BCM Body control module, left and right stoplight stop lamp controls to be divided into two parts or gate control, one tunnel is exported by IC after braking signal switch is directly inputted into the high side drivers IC7 of stoplight stop lamp two-way to drive, and another road is exported by IC after the MCU of BCM Body control module receives brake pedal switch 2 incoming signal to drive.It is or door design that, when wherein a road drives et out of order, BCM Body control module can be transformed to immediately by another road driver output that two-way exports to drive.
Wherein, the high side drivers IC7 of described stoplight stop lamp two-way adopts FAN7382 chip or FAN7380 chip.
In a word, the utility model directly exports driving high-mount stop lamp by brake pedal switch, left and right stoplight stop lamp is then driven by BCM (Body control module), and BCM inside exports and two parts then can be divided into again to control: switch is directly by high side drivers IC driving and MCU and high side drivers IC parallel drive.Like this when wherein a road drives et out of order, BCM can be transformed to immediately by another road driver output.Thus reduce the specification requirement of brake pedal switch High Performance, also improve the safe class of stoplight stop lamp function simultaneously.
Although the foregoing describe detailed description of the invention of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (2)
1. a braking automobile lamp control circuit, comprises wire fuse, brake pedal switch, left stoplight stop lamp, right stoplight stop lamp and high-mount stop lamp; It is characterized in that: also comprise a BCM Body control module, described Vehicle Power is connected with brake pedal switch through wire fuse, described high-mount stop lamp is connected with described brake pedal switch, and described BCM Body control module comprises the high side drivers IC of a MCU and a stoplight stop lamp two-way; Described MCU is all connected with described brake pedal switch with the high side drivers IC of stoplight stop lamp two-way, and described MCU is connected with the high side drivers IC of stoplight stop lamp two-way; The high side drivers IC of described stoplight stop lamp two-way connects left stoplight stop lamp, right stoplight stop lamp respectively.
2. a kind of braking automobile lamp control circuit according to claim 1, is characterized in that: the high side drivers IC of described stoplight stop lamp two-way adopts FAN7382 chip or FAN7380 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345963.5U CN204687951U (en) | 2015-05-26 | 2015-05-26 | A kind of braking automobile lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345963.5U CN204687951U (en) | 2015-05-26 | 2015-05-26 | A kind of braking automobile lamp control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204687951U true CN204687951U (en) | 2015-10-07 |
Family
ID=54228277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345963.5U Expired - Fee Related CN204687951U (en) | 2015-05-26 | 2015-05-26 | A kind of braking automobile lamp control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204687951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647344A (en) * | 2015-11-04 | 2017-05-10 | 法雷奥电机设备公司 | Motor vehicle driving module and control unit |
| CN109270922A (en) * | 2018-10-30 | 2019-01-25 | 河南天海电器有限公司 | The automotive electronics formula power distribution unit of self diagnosis and self-contr ol |
-
2015
- 2015-05-26 CN CN201520345963.5U patent/CN204687951U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647344A (en) * | 2015-11-04 | 2017-05-10 | 法雷奥电机设备公司 | Motor vehicle driving module and control unit |
| CN106647344B (en) * | 2015-11-04 | 2020-02-21 | 法雷奥电机设备公司 | Drive module and control unit for a motor vehicle |
| CN109270922A (en) * | 2018-10-30 | 2019-01-25 | 河南天海电器有限公司 | The automotive electronics formula power distribution unit of self diagnosis and self-contr ol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20190526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |